if __name__ == '__main__':
    list=[]
    for i in range(int(input())):
        name = input()
        score = float(input())
        l = (name , score)
        list.append(l)
    
    min_mark1 = min(list, key=lambda x: x[1])[1]
    filtered_data = [item for item in list if item[1] != min_mark1]

    min_mark = min(filtered_data, key=lambda x: x[1])[1]
    min_mark_names = [item[0] for item in filtered_data if item[1] == min_mark]
    output = sorted(min_mark_names)
    for name in output:
        print(name)